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双折射材料的温度修正 Birefringent Material Temperature Modification 3U+FXK#6 ~Ss,he]Er 目前,FRED尚不支持“global”温度设置,温度敏感性评估一般用脚本编程来完成,该文档演示双折射材料的折射率随温度变化的问题。附件案例文件包括两个双折射材料模,“KDP”和 “KDP Baseline”, KDP Baseline材料存储在已知温度下的折射率,KDP材料用于储存在“current”温度下的折射率值,定义为与baseline material之间的温度差。一个嵌入的脚本名为“modifyBirefringentMaterialIndex” ,包含在FRED文件中,另外也单独附加。其实现过程如下: R=LiB+p )j>U4a 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline y7fy9jQ
8. xi(\=LbhY 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline ~r5S{& !LwHKCj 3.Loop over the baseline material samples and determine the number of wavelength entries -R:_o1" XgHJ Oqt 4.Loop over each sampled wavelength entry in the baseline material 0O>ClE~P G_S>{<[ a.Modify the ordinary and extraordinary refractive index values using (2) above 4$pV;xV ~BmA!BZV` b.Apply the modified values to the non-baseline material q -8G 4F6aPo2 5.Set a description on the non-baseline material indicating the temperature change from baseline A+0-pF2D wqF?o 脚本编程及GUI例程请下载链接: 3wq<@dRv4 Bso#+v5 http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs <4q H0< src+z# http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd J4"Fj, FS R/ZScOW[ 7}UG&t{ QQ:2987619807 daI_@k Y"
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